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FAQ within [ FREQROL-U100 ]

1-10 of Total 16

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  • Energy saving effect of inverter oper...

    Energy saving operation of the inverter is represented by comparison with commercial power supply operation.  For example, to control air volume of an air co... More Details >>

    • No:21622
    • Release Date:2018/08/22 16:28
  • What happens if reset occurs during o...

    This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>

    • No:21477
    • Release Date:2018/08/22 16:27
  • Monitoring current value

    With the FREQROL-U100 series, pressing and holding the [SET] switches to the current monitor. More Details >>

    • No:22073
    • Release Date:2018/08/22 16:30
  • Relationship between undervoltage war...

    When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an undervoltage warning and stops its ou... More Details >>

    • No:21974
    • Release Date:2018/08/22 16:30
  • What applications are suitable?

    Variable speed control of small-capacity motor and other applications for which small size and low cost are required. (Examples: Replacement for gears and pu... More Details >>

    • No:21609
    • Release Date:2018/08/22 16:28
  • Input terminal function selection of ...

    You can use the input terminals X1 to X3 for an input terminal function such as 7-speed operation (high, middle, and low speed), output stop during motor ope... More Details >>

    • No:21601
    • Release Date:2018/08/22 16:28
  • Carrier frequency of low-noise series

    The carrier frequency is initially set to 7 kHz. (When Pr.10 is set to "---", you can set or change the setting using Pr.72.) Raising the carrier frequency r... More Details >>

    • No:21600
    • Release Date:2018/08/22 16:28
  • Key sheet

    You cannot remove the key sheet from products with the key sheet attached as a standard other than the PU operation type. When using the parameter unit FR-PU... More Details >>

    • No:21596
    • Release Date:2018/08/22 16:28
  • Can I use digital operation panel FR-...

    You cannot use it with the standard and multi-function products. It can be connected to the dedicated PU operation type only. (Note that the FR-DU01 is an op... More Details >>

    • No:21595
    • Release Date:2018/08/22 16:28
  • Speed setting

    The high speed command (multi-speed command) is prioritized over the frequency setting potentiometer. It is OK if these are both input simultaneously. When t... More Details >>

    • No:21424
    • Release Date:2018/08/22 16:27

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